On Windows

For illustrative purposes, assume that you have installed Java JDK at C:\tools\jdk:

1. Go to Control Panel.
2. Click on System.
3. Click on Advance System settings.
4. Add Environment to the following variables:
   • Value: JAVA_HOME
   • Path: C:\tools\jdk
5. Locate Path (under system variables, bottom half of the screen).
6. Click on Edit.
7. Append %JAVA_HOME%/bin to the end of the existing path value (if any).